unstainable, untenable. that created a set of expectations about future performance in the financial sector and other sectors of the economy that was not plauzably sustainable over time. so there's been a bit of gravity and expectations as people think about what it's going to take for us to grow in a more balanced same way going forward. we can't have an economy where we expect growth to come from sustained borrowing by relatives individual income to finance overinvestment housing. not a plausible long-term strategy. again, i think the broad adjustment you're seeing in the u.s. economy we should find encouraging. it's nor investment and export led. it's coming with a improvement in private savings rates. even the beginnings of improvement in public savings, public debt, fiscal debt coming down. bringing down burdens, financial sector much more stable, and we have a very resilient, very dynamic american economy. you can see that across the broad strength you're seeing, and i think if you look ahead, the worl